Core 2 is included in the Node.js SDK starting with version 5. This new version ships with a variety of smaller DX improvements and housekeeping items. Each of the potentially breaking changes are detailed in this guide, below.

By the end of this guide, you’ll have successfully upgraded your Node project to use `@clerk/clerk-sdk-node` v5. You’ll learn how to update your dependencies, resolve breaking changes, and find deprecations. Step-by-step instructions will lead you through the process.
